fixes

Author: Pearl1594

source/releasenotes/api-changes.rst

@@ -13,7 +13,7 @@
    specific language governing permissions and limitations
    under the License.
 
-API Changes Introduced in 4.21.0.0
+API Changes Introduced in 4.20.1.0
 ==================================
 For the complete list of API commands and params consult the `CloudStack Apidocs`_.
 

source/releasenotes/changes.rst

@@ -13,7 +13,7 @@
    specific language governing permissions and limitations
    under the License.
 
-Changes in |release| since 4.20.1.0
+Changes in |release| since 4.20.0.0
 ===================================
 
 Apache CloudStack uses GitHub https://github.com/apache/cloudstack/milestone/36?closed=1